# WorkingSpec vs Spark Voicemail

The clearest difference is iOS requirement: Spark Voicemail at 12.0 against WorkingSpec's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WorkingSpec ships an update every 4 months, Spark Voicemail every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | WorkingSpec | Spark Voicemail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/spark-voicemail/id1460219317/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 101 MB | 52 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Working Spec Ltd](https://appshunter.io/developer/1302385720) | [Norwood Systems (Aust) Pty Ltd](https://appshunter.io/developer/576271358) |

## What reviewers say

### WorkingSpec

[App page](https://appshunter.io/ios/app/workingspec/id1360445244)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Spark Voicemail

[App page](https://appshunter.io/ios/app/spark-voicemail/id1460219317)

This app transforms your voicemail into a visual experience, allowing you to read transcripts, listen, and manage messages easily. It offers features like lock screen access, playback speed control, and email forwarding for enhanced productivity.

**Highlights:** Visual voicemail transcription, Lock screen playback and reading, Playback speed control, Email forwarding, Searchable voicemails, Personalized greeting setup, Biometric security

**In-app purchases:** none

**What reviewers like**

- 💡 Visual voicemail management
- 📝 Transcription of voicemails
- 👍 Easy to read voicemails
- 🔄 Works well for some users
- ✨ Concept is brilliant

**What reviewers complain about**

- 🐛 Voicemails delayed
- 🐛 App crashes frequently
- 🐛 Activation failures
- 🐛 Messages not arriving
- 🐛 App stops working

**Reported bugs**

- Voicemails arrive a day later
- Voicemail messages do not arrive in the app
- App not working correctly with iOS updates
- App fails to activate
- App crashes on launch

**Requested features**

- Multi-line support for dual-SIM phones
- Ability to block spam callers
- Integration with native iOS voicemail
- Improved transcription accuracy
- Option to disable transcription


## Frequently asked questions

### Is WorkingSpec free?

WorkingSpec is free to download, with no in-app purchases.

### Is Spark Voicemail free?

Spark Voicemail is free to download, with no in-app purchases.

### Do WorkingSpec or Spark Voicemail have ads?

Neither WorkingSpec nor Spark Voicemail shows ads.

### Which is updated more often, WorkingSpec or Spark Voicemail?

WorkingSpec ships an update every 4 months, and Spark Voicemail every 2 months. Most recently, WorkingSpec was updated on November 6, 2026 and Spark Voicemail on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*